添加获取surl数量接口

src/main/java/dev/surl/surl/controller/SurlGetController.kt

@@ -30,4 +30,10 @@ class SurlGetController(
 
         return Msg(value = urls)
     }
+
+    @GetMapping(path = ["/api/surl/count/get"])
+    fun getUrlsCountByUser(@RequestHeader headers: HttpHeaders): Msg<Long> {
+        val username = jwtTokenUtil.getUsernameFromHeader(headers)
+        return Msg(value = surlService.getUrlsCountByUser(username))
+    }
 }

src/main/java/dev/surl/surl/service/SurlService.kt

@@ -7,6 +7,7 @@ import dev.surl.surl.dsl.Users
 import dev.surl.surl.util.*
 import kotlinx.coroutines.runBlocking
 import org.jetbrains.exposed.sql.batchInsert
+import org.jetbrains.exposed.sql.selectAll
 import org.jetbrains.exposed.sql.transactions.transaction
 import org.springframework.stereotype.Service
 
@@ -73,4 +74,15 @@ class SurlService {
             }
         }
     }
+
+    /**
+     * 获取用户短链接数量
+     * @param username 用户名
+     * @return 短链接数量
+     */
+    fun getUrlsCountByUser(username: String) = transaction {
+        Users.innerJoin(Surls).selectAll().where {
+            Users.username eq username
+        }.count()
+    }
 }